Setup translation for octavia

This patch sets up octavia for translations.
It also includes some additional pep8 tests borrowed from neutron
that will be used in the future (tempest idempotent ids and policy.json)

Change-Id: Ia70506fa8cfdbcea7cc67b940761365093e94f2b

babel.cfg

@@ -0,0 +1,2 @@
+[python: **.py]
+

setup.cfg

@@ -75,3 +75,17 @@ oslo.config.opts =
     octavia = octavia.opts:list_opts
 tempest.test_plugins =
     octavia = octavia.tests.tempest.plugin:OctaviaTempestPlugin
+
+[compile_catalog]
+directory = octavia/locale
+domain = octavia
+
+[update_catalog]
+domain = octavia
+output_dir = octavia/locale
+input_file = octavia/locale/octavia.pot
+
+[extract_messages]
+keywords = _ gettext ngettext l_ lazy_gettext
+mapping_file = babel.cfg
+output_file = octavia/locale/octavia.pot

tools/misc-sanity-checks.sh

@@ -0,0 +1,68 @@
+#! /bin/sh
+
+# Copyright (C) 2014 VA Linux Systems Japan K.K.
+# Copyright (C) 2014 YAMAMOTO Takashi <yamamoto at valinux co jp>
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+TMPDIR=`mktemp -d /tmp/${0##*/}.XXXXXX` || exit 1
+export TMPDIR
+trap "rm -rf $TMPDIR" EXIT
+
+FAILURES=$TMPDIR/failures
+
+
+check_pot_files_errors () {
+    find octavia -type f -regex '.*\.pot?' \
+                 -print0|xargs -0 -n 1 --no-run-if-empty msgfmt \
+                 --check-format -o /dev/null
+    if [ "$?" -ne 0 ]; then
+        echo "PO files syntax is not correct!" >>$FAILURES
+    fi
+}
+
+check_identical_policy_files () {
+    # For unit tests, we maintain their own policy.json file to make test suite
+    # independent of whether it's executed from the octavia source tree or from
+    # site-packages installation path. We don't want two copies of the same
+    # file to diverge, so checking that they are identical
+    diff etc/policy.json octavia/tests/etc/policy.json 2>&1 > /dev/null
+    if [ "$?" -ne 0 ]; then
+        echo "policy.json files must be identical!" >>$FAILURES
+    fi
+}
+
+check_no_duplicate_api_test_idempotent_ids() {
+    # For API tests, an idempotent ID is assigned to each single API test,
+    # those IDs should be unique
+    output=$(check-uuid --package octavia.tests.tempest)
+    if [ "$?" -ne 0 ]; then
+        echo "There are duplicate idempotent ids in the API tests" >>$FAILURES
+        echo "please, assign unique uuids to each API test:" >>$FAILURES
+        echo "$output" >>$FAILURES
+    fi
+}
+
+# Add your checks here...
+check_pot_files_errors
+# TODO(johnsom) Uncomment when we have policies to test
+# check_identical_policy_files
+# TODO(johnsom) Uncomment when we have idempotent ids
+# check_no_duplicate_api_test_idempotent_ids
+
+# Fail, if there are emitted failures
+if [ -f $FAILURES ]; then
+    cat $FAILURES
+    exit 1
+fi

tox.ini

@@ -59,9 +59,13 @@ commands = flake8
            CONSTITUTION.rst HACKING.rst README.rst
 	   # Run security linter
            bandit -r octavia -ll -ii -x octavia/tests
-       # Make sure specs follow our template
+           # Make sure specs follow our template
            find . -type f -name "*.pyc" -delete
            python -m unittest specs-tests.test_titles
+           sh ./tools/misc-sanity-checks.sh
+whitelist_externals =
+  sh
+  find
 
 [testenv:docs]
 commands =